package com.alibaba.boot.netty.netty;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.CharsetUtil;

public class NettyClientHandler extends ChannelInboundHandlerAdapter {

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
       System.out.println("client channel active");
       ctx.writeAndFlush(Unpooled.copiedBuffer("this is client", CharsetUtil.UTF_8));
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        ByteBuf buf = (ByteBuf) msg;

        System.out.println("server send:"+buf.toString());
        System.out.println("server address"+ctx.channel().remoteAddress());
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        System.out.println(cause);
    }

    @Override
    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
       System.out.println(ctx);
    }
}
